Sanyo Air Conditioner Error Codes

Error Code	Meaning
S01	Room temperature sensor failure
S02	Indoor heat exchanger sensor failure
S03	Humidity sensor failure
S04	Compressor temperature sensor failure
S05	Outdoor heat exchanger sensor failure
S06	Outdoor air temperature sensor failure
S07	Outdoor electrical current detection faillure
E01	lndoor/outdoor communications failure
E02	HIC circuit failure
	Power Tr (transistor) circuit failure
E03	Outdoor unit external ROM (OTP data) failure
E04	Peak current cut Off
E05	PAM circuit failure
	Active circuit failure
E06	Compressor discharge overheat prevention activated
E07	Indoor fan operating failure
E08	4-way valve switching failure
	Indoor zero-cross failure
E09	No-reirigerant protection
E10	DC compressor drive circuit failure
E11	Outdoor fan operating failure
E12	Outdoor system communications failure
	OLR operation
	Outdoor power supply open phase
	Outdoor coil freezing
E13	Freeze-prevention operation activated

Sanyo Air Conditioner Troubleshooting

If your air conditioner does not work properly, first check the following points before requesting service. If it still does not work properly, contact your dealer or service center.

1-Trouble

Air conditioner does not run at all.

Possible Cause

1. Power failure.

2. Leakage breaker tripped.

3. Line voltage is too low.

4. ON/OFF operation button is OFF.

5. Batteries in remote control unit have run down.

Remedy

1. Restore power.

2. Contact service center.

3. Consult with electrician or dealer.

4. Press the button again.

5. Replace batteries.

2-Trouble

Compressor runs but soon stops

Possible Cause

1. Obstruction in front of condenser coil.

Remedy

1. Remove obstruction.

3-Trouble

Poor cooling performance.

Possible Cause

1. Dirty or clogged air filter.

2. Heat source (cooker, heater, or electrical appliance) or many people in room.

3. Doors and/or windows are open.

4. Obstacle near air intake or air discharge port.

5. Thermostat is set too high.

Remedy

1. Clean the air filter to improve the air flow.

2. Eliminate heat source if possible.

3. Shut them to keep the heat out.

4. Remove it to ensure good air flow.

5. Set the temperature lower.

4-Trouble

OPERATION lamp blinks and air conditioner does not operate.

Possible Cause

Trouble in system.

Remedy

Contact service center.

5-Trouble

Clicking sound is heard from the air conditioner.

Possible Cause

In heating or cooling operation, any plastic parts may expand or shrink due to a sudden temperature change. In this event, a clicking sound may occur.

Remedy

This is normal, and the sound will soon disappear.

6-Trouble

OPERATION lamp lights but outdoor unit will not run.

Possible Cause

The use of cellular phones near the air conditioner may cause disturbance to its normal operation.